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  • Drainage Kits
    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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      • Pour in Place (Concrete)
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      • Zurn
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      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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  • TDS-4in-alum-grated-natural-finish-TDSdrains

    Bronze Age™ BA-SLOT-4D-A Class A Slotted Aluminum 4" Dia. Grate

    Bronze Age™ BA-SLOT-4D-A Class A Slotted Aluminum 4" Dia. Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • ULMA M100K polymer concrete galvanized edged channel with Mesh Polypropylene grate

    ULMA M100K Kit with 497 / PE100KCBM ADA Mesh Polypropylene Grate

    Sale

    ULMA M100K Kit with 497 / PE100KCBM ADA Mesh Polypropylene Grate

    Regular price From $237.53 USD
    Regular price $295.40 USD Sale price From $237.53 USD
    Unit price /  per 
    Sale
  • DG0900 Load Class F Ductile Iron Grate and Frame

    TDS DG0900 Class F H-20 Slotted Ductile Iron 6" x 16" Grate

    TDS DG0900 Class F H-20 Slotted Ductile Iron 6" x 16" Grate

    Regular price $108.00 USD
    Regular price Sale price $108.00 USD
    Unit price /  per 
  • ULMA M100KX stainless steel edged polymer concrete channel with 450 stainless steel slotted grate

    ULMA M100KX Kit with 450 / IN100KCA Stainless Steel Slotted Grate

    Sale

    ULMA M100KX Kit with 450 / IN100KCA Stainless Steel Slotted Grate

    Regular price From $340.42 USD
    Regular price $427.68 USD Sale price From $340.42 USD
    Unit price /  per 
    Sale
  • ULMA-M100KX

    ULMA M100KX Neutral Shallow Channel

    Sale

    ULMA M100KX Neutral Shallow Channel

    Regular price $202.59 USD
    Regular price $182.33 USD Sale price $202.59 USD
    Unit price /  per 
    Sale
  • M100KX Polymer concrete linear channel with stainless steel edge with 495 grey poly grates

    ULMA M100KX Kit with 495 / PNH100KCAM-GRIS ADA Heel-Proof Poly Grate -GRAY

    Sale

    ULMA M100KX Kit with 495 / PNH100KCAM-GRIS ADA Heel-Proof Poly Grate -GRAY

    Regular price From $301.11 USD
    Regular price $377.15 USD Sale price From $301.11 USD
    Unit price /  per 
    Sale
  • ULMA M100KX polymer concrete linear channel with stainless edge and 494 black poly grate

    ULMA M100KX Kit with 494 ADA/Heel-Proof Poly Grate Class A - BLACK

    Sale

    ULMA M100KX Kit with 494 ADA/Heel-Proof Poly Grate Class A - BLACK

    Regular price From $294.98 USD
    Regular price $369.26 USD Sale price From $294.98 USD
    Unit price /  per 
    Sale
  • DG0655_SS_Wedge Wire_ClassB

    TDS DG0655H Class B ADA Compliant Wedge Wire Stainless Steel 6" x 24" Grate

    TDS DG0655H Class B ADA Compliant Wedge Wire Stainless Steel 6" x 24" Grate

    Regular price $252.46 USD
    Regular price Sale price $252.46 USD
    Unit price /  per 
  • ULMA M100KX Stainless Steel edged polymer concrete channel with heel-proof ductile iron class E grate

    ULMA M100KX w/480 Ductile Iron Heel-Proof Grate - Class C

    Sale

    ULMA M100KX w/480 Ductile Iron Heel-Proof Grate - Class C

    Regular price From $327.92 USD
    Regular price $411.62 USD Sale price From $327.92 USD
    Unit price /  per 
    Sale
  • SS600 Stainless Steel Drain Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate | Class D

    SS600 Stainless Steel Drain Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate | Class D

    SS600 Stainless Steel Drain Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate | Class D

    Regular price From $1,394.49 USD
    Regular price Sale price From $1,394.49 USD
    Unit price /  per 
  • NDS 107CS Sewer Drain Cap

    NDS 107CS 6" Sewer Cap

    NDS 107CS 6" Sewer Cap

    Regular price $13.73 USD
    Regular price Sale price $13.73 USD
    Unit price /  per 
  • PCK6-DG0630-SE Cathedral SS

    POLYCAST 600 Series w/ Cathedral Stainless Steel Grate w/ Edging

    POLYCAST 600 Series w/ Cathedral Stainless Steel Grate w/ Edging

    Regular price From $325.36 USD
    Regular price Sale price From $325.36 USD
    Unit price /  per 
  • NDS970 6inch diameter strium sand grate

    NDS090S Atrium HDPE 6" Dia. Grate - Sand

    NDS090S Atrium HDPE 6" Dia. Grate - Sand

    Regular price $40.23 USD
    Regular price Sale price $40.23 USD
    Unit price /  per 
  • Iron Age Cast Iron Locust 6 inch diameter round grate BOOF

    Iron Age IA-LOC-6D-HP-BF Heel-Proof Locust Cast Iron 6.75″ Dia Grate – BoOF

    Iron Age IA-LOC-6D-HP-BF Heel-Proof Locust Cast Iron 6.75″ Dia Grate – BoOF

    Regular price $150.15 USD
    Regular price Sale price $150.15 USD
    Unit price /  per 
  • CBK-24-2415 NDS Catch Basin Kit 24" with NDS 2415 Galvanized Bar Grate

    NDS 24" Catch Basin Kit with NDS 2415 Bar Grate | Galvanized

    NDS 24" Catch Basin Kit with NDS 2415 Bar Grate | Galvanized

    Regular price From $2,160.04 USD
    Regular price Sale price From $2,160.04 USD
    Unit price /  per 
  • Polycast-DG0657-TDSdrains stainless perforated reinforced Polycast grate

    POLYCAST DG0657H ADA Perforated Stainless Steel 6" x 24" (Nominal) Grate Class B

    POLYCAST DG0657H ADA Perforated Stainless Steel 6" x 24" (Nominal) Grate Class B

    Regular price $195.96 USD
    Regular price Sale price $195.96 USD
    Unit price /  per 
  • DG0655R_SS_Wedge_Wire_ClassD

    TDS DG0655RH Class C ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 24" Grate

    TDS DG0655RH Class C ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 24" Grate

    Regular price $460.00 USD
    Regular price Sale price $460.00 USD
    Unit price /  per 
  • 6" End Outlet - Polymer Concrete DP0625D6 | TDS for POLYCAST®

    6" End Outlet - Polymer Concrete DP0625D6 | TDS for POLYCAST®

    6" End Outlet - Polymer Concrete DP0625D6 | TDS for POLYCAST®

    Regular price $351.75 USD
    Regular price Sale price $351.75 USD
    Unit price /  per 
  • POLY600-DG0620-GE Cathedral Galv

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    Regular price From $280.85 USD
    Regular price Sale price From $280.85 USD
    Unit price /  per 
  • POLYCAST 600 with Galvanized DG0620 Cathedral Grate

    POLYCAST® 600 Series Kit w/ DG0620 Cathedral Galvanized Steel Grate | Load Class A

    POLYCAST® 600 Series Kit w/ DG0620 Cathedral Galvanized Steel Grate | Load Class A

    Regular price From $256.02 USD
    Regular price Sale price From $256.02 USD
    Unit price /  per 
  • TDS-BARS-0312-B Brushed Bronze Age Grates Transverse Slotted Grate

    Bronze Age BA-BARS-0312-B Bars Bronze Brushed 3" x 12" Grate

    Bronze Age BA-BARS-0312-B Bars Bronze Brushed 3" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • POLYCST 600 with DG0623 Galv SQUARE DECO grate

    POLYCAST 600 Series Kit w/ DG0623 Square Deco Galvanized Steel Grate | Load Class A

    POLYCAST 600 Series Kit w/ DG0623 Square Deco Galvanized Steel Grate | Load Class A

    Regular price From $249.77 USD
    Regular price Sale price From $249.77 USD
    Unit price /  per 
  • POLYCST 600-SS Edge and DG0633 SS SQUARE DECO grate

    POLYCAST®600 Kit w/DG0633 Square Deco Perf Stainless Steel Grate & Edging | Load Class A

    POLYCAST®600 Kit w/DG0633 Square Deco Perf Stainless Steel Grate & Edging | Load Class A

    Regular price From $327.18 USD
    Regular price Sale price From $327.18 USD
    Unit price /  per 
  • NDS250-Spee-D-basin

    6" Spee-D Basin 2 Outlet by NDS®

    6" Spee-D Basin 2 Outlet by NDS®

    Regular price $42.02 USD
    Regular price Sale price $42.02 USD
    Unit price /  per 
  • POLYCST 600 - DG0633 SS SQUARE DECO grate

    POLYCAST® 600 Series Kit w/ DG0633 Square Deco Perforated Class A Stainless Steel Grate

    POLYCAST® 600 Series Kit w/ DG0633 Square Deco Perforated Class A Stainless Steel Grate

    Regular price From $284.89 USD
    Regular price Sale price From $284.89 USD
    Unit price /  per 
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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Installer Map

Drainage News

  • How Do You Clean Out a Trench Drain Without Damaging It?

    May 27, 2026
  • What is Load Class and Why Is It Important?

    Feb 23, 2024
  • Keeping Livestock Safe – Grate Ideas

    Feb 02, 2024
  • TDS Bronze Age™ Collection

    Oct 31, 2023

On Sale

  • ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    $37.45
  • ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    $89.29
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $14.40
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